"China and Russia and some of the smaller players have access to technology that allows them to become really significant opponents" warns @usairforce Chief Scientist Dr. Richard Joseph "We should not be just following their lead"

China's benchmark Shanghai Composite slid into bear market territory Tues, closing down more than 20% below its January high. Chinese stocks have come under pressure in recent weeks from concerns over the strength of the country's economic growth and an emerging trade war with the US

US Defense Sec. James Mattis arrives in Beijing after an 11-hour flight over the Pacific. On his agenda: Beijing's militarization of South China Sea and North Korean denuclearization. His trip comes amid reports Mattis has been shut out of major Trump policy decisions since Dec.

President Xi Jinping on Monday met with French PM Edouard Philippe in Beijing, saying China is willing to work with France to enrich the content of the comprehensive strategic partnership between the two countries